Home / 20,365.56-30,554.70-6,134.60

Finding the Fourth Proportional to 20,365.56, 30,554.70 and 6,134.60

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Solution

The fourth proportional to 20,365.56, 30,554.70 and 6,134.60 is: 9,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.56 : 30,554.70 = 6,134.60 : x
  2. Step 2: Convert to fraction form
    20,365.56/30,554.70 = 6,134.60/x
  3. Step 3: Cross multiply
    20,365.56x = 30,554.70 × 6,134.60
  4. Step 4: Simplify right side
    20,365.56x = 187,440,862.62
  5. Step 5: Solve for x
    x = 187,440,862.62/20,365.56
  6. Step 6: Final answer
    x = 9,203.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.